.err {
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
}
.err-container {
  display: flex;
  width: 100%;
}
.err-container-left {
  flex: 1;
  text-align: center;
}
.err-container-right {
  flex: 1;
}
.err-container-right h1 {
  padding: 10px 0;
  font-size: 60px;
}
.err-container-right h2 {
  font-size: 24px;
}
.err-container-right ul {
  padding-left: 20px;
}
.err-container-right li {
  padding: 5px 0;
  list-style-type: circle;
  color: #1DA57A;
  cursor: pointer;
}